Bluetooth headset



FIG. 1 is a top front perspective view of a bluetooth headset showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof, the depth of the ear insert is conventional; and,

FIG. 8 is a side view in an alternate position thereof.

the broken lines form no part of the claimed design. 

The ornamental design for a bluetooth headset, as shown and described. 